Gearbox housing



FIG. 1 is a perspective view of a gearbox housing of the present invention.

FIG. 2 is a second perspective view of the gearbox housing of FIG. 1.

FIG. 3 is a third perspective view of the gearbox housing of FIG. 1.

FIG. 4 is a fourth perspective view of the gearbox housing of FIG. 1.

FIG. 5 is a front view of the gearbox housing of FIG. 1.

FIG. 6 is a top view of the gearbox housing of FIG. 1.

FIG. 7 is a right side view of the gearbox housing of FIG. 1.

FIG. 8 is a left side view of the gearbox housing of FIG. 1.

FIG. 9 is a back view of the gearbox housing of FIG. 1; and,

FIG. 10 is a bottom view of the gearbox housing of FIG. 1.

The features shown in broken lines in the drawings depict environmental subject matter only and form no part of the claimed design. 

CLAIM The ornamental design for a gearbox housing, substantially as shown and described. 